74525166 has 12 divisors (see below), whose sum is σ = 161471232. Its totient is φ = 24841716.

The previous prime is 74525159. The next prime is 74525177. The reversal of 74525166 is 66152547.

It is a happy number.

74525166 is a `hidden beast` number, since 74 + 525 + 1 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 74525166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2070126 + ... + 2070161.

It is an arithmetic number, because the mean of its divisors is an integer number (13455936).

Almost surely, 2^74525166 is an apocalyptic number.

74525166 is an abundant number, since it is smaller than the sum of its proper divisors (86946066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74525166 is a wasteful number, since it uses less digits than its factorization.

74525166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140295 (or 4140292 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 74525166 is about 8632.7959549615. The cubic root of 74525166 is about 420.8244689263.

It can be divided in two parts, 74525 and 166, that added together give a triangular number (74691 = T₃₈₆).

The spelling of 74525166 in words is "seventy-four million, five hundred twenty-five thousand, one hundred sixty-six".